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‘One man has been arrested and efforts are underway to locate and apprehend the offender.

‘We have spoken to several witnesses already and secured CCTV in a bid to explain what sparked the disorder and identify the offender – but we know there was a large crowd at the event and we need to speak to as many of them as possible.

One of the boxers on the show, Jordan Clayton, was disappointed to hear there had been violence.

‘Last night I went in the ring representing my friend Callum Lees, who was fatally stabbed a couple months back,’ he said.

‘After the fight last night there was a fight outside the venue. What a world we are living and bringing our children into where scum bags are carrying knives and wrecking family’s life’s like it’s nothing over meaningless acts of violence.’